‏الأيمان : Hadeeth No:4074 'Abdullah b. 'Umar reported that 'Umar b. Khattab asked the Messenger of Allaah (sallAllaahu alayhi wa sallam) as he was at ji'rana (a town near Mecca) on his way back from Ta'if: Messenger of Allaah, I had taken a vow during the days of Ignorance that I would observe I'tikaf for one day in the Sacr...

‏الصلاة : Hadeeth No:1662 Abu Huraira reported Allaah's Messenger (sallAllaahu alayhi wa sallam) as saying: He who observed prayer at night during Ramadan, because of faith and seeking his reward from Allaah, his previous sins would be forgiven....